found in the software; the result of an error.

departure from specified behaviour

an incorrect step, process or data definition in a computer program.

a human action that produces an incorrect result.

Quality is job one

Zero defects

Conformance to requirements

Work as designed

Confidence to stakeholders.

Confidence to client that it is bug-free.

zero defects.

Prevent problems of failure in

testing that the system functions with other systems

testing that the components that comprise the system function together

testing the end to end functionality of the system as a whole

testing the system performs functions within specified response times

User Acceptance Testing

User Acceptable Testing

User Acceptance Technology

Useful Acceptance Testing

Kent Beck, Erich Gamma

Richard Samuel, David Arnold

James Kosling, Jack Peter

Juanco Anez

We cannot run the test

It may be difficult to repeat the test

It may be difficult to determine if the test has passed or failed

We cannot automate the user inputs

A small team to establish the best way to use the tool

Everyone who may eventually have some use for the tool

The independent testing team

   The vendor contractor to write the initial scripts

True

False

True

False

True

False

True

False

10-20

40-50

70-80

5-10

Stub

Driver

Proxy

None of the above

We cannot run the test

It may be difficult to repeat the test

It may be difficult to determine if the test has passed or failed

We cannot automate the user inputs

Failure

Success

Complete

Partial

Alpha and Beta Testing

White Box Testing

Black Box Testing

Trial and Error Testing

Developement phase

Design Phase

Requirement gathering phase

Intergration phase

Sahi

SCEGEN

Testify

Masketeer

Checking that we are building the right system

Checking that we are building the system right

Performed by an independent test team

Making sure that it is what the user really wants